Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 53d439ae0f7b52b96a2babc6f1058a2d63440258e63a331d2b1e90023d37f0d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^